Types of screws

The following screws are used at ADE, depending on the request:

trapezoidal screw

trapezoidal screw

Recirculating ball screw

Recirculating ball screw

Planetary roller screw

Planetary roller screw

Comparison of the advantages and disadvantages as well as the constructive features of the different screw drives

  Linear actuator
with trapezoidal screw
Linear actuator
with recirculating
ball screw
Linear actuator
with planetary
roller screw
Screw Rolled precision trapezoidal screw Rolled / smoothed
threaded screw
Smoothed threaded
screw
Screw nut Bronce screw nut Smoothed ball screw-nut Planetary roller
screw-nut
Self-locking effect yes no no
Robustness very high high very high
Shock sensitivity very low medium very low
Speed range medium high very high
Stick-Slip effect present not present not present
Carrying capacity high medium very high
Sensitifity to icing yes no no
Wear yes no no
Positioning
precision
dependent on duration
of operation
nearly consistent nearly consistent
Degree of efficiency low very high high
Lifespan medium high very high
Reliability medium high very high